<script setup>
    import {User, Lock} from '@element-plus/icons-vue'
    import {ElMessage} from "element-plus";
    import {ref} from 'vue'
    import adminApi from "@/api/admin/admin.js";
    import captchaApi from "@/api/admin/captcha.js";

    const admin = ref({
        name: '',
        password: '',
        captcha: ''
    })

    //表单正则表达式验证
    const rules = ref({
        name: [
            {required: true, message: '请输入用户名', trigger: 'blur'},
            {min: 5, max: 16, message: '用户名的长度必须为5~16位', trigger: 'blur'}
        ],
        password: [
            {required: true, message: '请输入密码', trigger: 'blur'},
            {min: 3, max: 16, message: '密码长度必须为3~16位', trigger: 'blur'}
        ]
    })

	import {useRouter} from 'vue-router'
	const router = useRouter()
	import {useTokenStore} from '@/store/token.js'
	const tokenStore = useTokenStore()

    const login = () =>{
        adminApi.login(admin.value).then(result => {
            console.log('login')
            if (result.code == 0) {
                ElMessage.success(result.msg);
                //将得到的token存到pinia中
				tokenStore.setToken(result.data, remember.value)
                router.push('/')
			} else {
                ElMessage.error(result.msg)
				loadCaptcha()
			}
		})
	}

    const captcha = ref('')
    const loadCaptcha = () => {
        captchaApi.captcha().then(result => {
            if (result.code == 0) {
                captcha.value = result.data
            }
		})
	}

    loadCaptcha()

	//记录是不是勾选记住密码
	const remember = ref(false)
</script>

<template>
	<div class="login-bg">
		<!-- 登录表单 -->
		<el-form class="form-login" ref="form" size="large" autocomplete="off" :model="admin" :rules="rules">
			<el-form-item>
				<h1>登录</h1>
			</el-form-item>
			<el-form-item prop="name">
				<el-input :prefix-icon="User" placeholder="请输入用户名" v-model="admin.name"></el-input>
			</el-form-item>
			<el-form-item prop="password">
				<el-input name="password" :prefix-icon="Lock" type="password" placeholder="请输入密码"
						  v-model="admin.password"></el-input>
			</el-form-item>
			<el-form-item prop="captcha">
				<el-input name="captcha" :prefix-icon="Lock" type="text" placeholder="请输入验证码"
						  v-model="admin.captcha"></el-input>
				<!--<img width="160px" src="http://localhost:5173/api/captcha">-->
				<img width="160px" :src="captcha" @click="loadCaptcha">
			</el-form-item>
			<el-form-item class="flex">
				<div class="flex">
					<el-checkbox v-model="remember">记住我</el-checkbox>
					<el-link type="primary" :underline="false">忘记密码？</el-link>
				</div>
			</el-form-item>
			<!-- 登录按钮 -->
			<el-form-item>
				<el-button class="button" type="primary" auto-insert-space @click="login">登录</el-button>
			</el-form-item>
		</el-form>
	</div>
</template>

<style scoped>
    .login-bg {
        height: 100%;
        background-repeat: no-repeat;
        background-position: center;
        background-attachment: fixed;
        background-size: cover;
    }

    .form-login {
        width: 280px;
        padding: 20px;
        position: absolute;
        top: 20%;
        left: calc(50% - 150px);
        background-color: #FFF;
        box-shadow: 10px 10px 30px #000;
    }
</style>
